Mr. Saint Laurent is listed as one of 'THE 50 MOST STYLISH MEN OF THE PAST 50 YEARS' on men.style.com with a style hint

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GQ: The 50 Most Stylish Men

Yves Saint-Laurent
In 1954, a wool-trade group held its design contest in Paris—a sort of Project Runway for the ’50s—and the winner of the dress category was a shy, gangly 18-year-old from Algeria. He was tall and slim, almost hiding behind his creation in a skinny suit and wire-framed glasses. But the competition’s prestige helped get him a job at Christian Dior, and that was all Yves Mathieu-Saint-Laurent needed. In three years, Monsieur Dior, France’s most cherished designer, was dead at the age of 52, and Saint-Laurent, at just 21 years old, took the reins. He found some aggressive horn-rimmed glasses and, after his first collection, was hailed by the French press as the savior of haute couture. Saint-Laurent ultimately asserted himself as his own brand. He loosened his collar, relaxing into hashish and caftans in Marrakech, and by 1971, in ads for his men’s cologne, he even posed nude. His hair had grown out, but he looked right into the camera, wearing nothing but those signature glasses.
• Find a signature item and stick with it. Saint-Laurent wore a version of these bold glasses throughout his career.